1203403113 has 12 divisors (see below), whose sum is σ = 1896271728. Its totient is φ = 729335160.

The previous prime is 1203403109. The next prime is 1203403121. The reversal of 1203403113 is 3113043021.

1203403113 is a `hidden beast` number, since 12 + 0 + 340 + 311 + 3 = 666.

It is not a de Polignac number, because 1203403113 - 2² = 1203403109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203473113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6077695 + ... + 6077892.

It is an arithmetic number, because the mean of its divisors is an integer number (158022644).

Almost surely, 2^1203403113 is an apocalyptic number.

It is an amenable number.

1203403113 is a deficient number, since it is larger than the sum of its proper divisors (692868615).

1203403113 is a wasteful number, since it uses less digits than its factorization.

1203403113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155604 (or 12155601 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1203403113 is about 34690.1010808559. The cubic root of 1203403113 is about 1063.6621619607.

Adding to 1203403113 its reverse (3113043021), we get a palindrome (4316446134).

The spelling of 1203403113 in words is "one billion, two hundred three million, four hundred three thousand, one hundred thirteen".